1 // RUN: %clangxx_tsan -O1 %s -o %t && %deflake %run %t | FileCheck %s 2 #include "test.h" 3 4 char s[] = "abracadabra"; 5 6 void *Thread0(void *p) { 7 puts(s); 8 barrier_wait(&barrier); 9 return 0; 10 } 11 12 void *Thread1(void *p) { 13 barrier_wait(&barrier); 14 s[3] = 'z'; 15 return 0; 16 } 17 18 int main() { 19 barrier_init(&barrier, 2); 20 pthread_t th[2]; 21 pthread_create(&th[0], 0, Thread0, 0); 22 pthread_create(&th[1], 0, Thread1, 0); 23 pthread_join(th[0], 0); 24 pthread_join(th[1], 0); 25 fprintf(stderr, "DONE"); 26 } 27 28 // CHECK: WARNING: ThreadSanitizer: data race 29 // CHECK: DONE 30 31